Put-Call Ratio (Open Interest) (150-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

First Trust NASDAQ Clean Edge Smart Grid Infrastructure ETF (GRID) had 150-Day Put-Call Ratio (Open Interest) of 0.1598 for 2026-01-16.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.1586
Historical Volatility (Parkinson)	0.1201
Implied Volatility (Calls)	0.1910
Implied Volatility (Puts)	0.1995
Implied Volatility (Mean)	0.1953
Put-Call Implied Volatility Ratio	1.0441
Implied Volatility Skew	0.0315
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.1598